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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
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Description
Flexcon HTX-30 Hydronic Expansion Tank 4.4 Gallons - 1/2" ConnectionFlexcon HTX 30 Hydronic Expansion Tank 4. 4 Gallons 1 2" Connection Features: Tank: 16 gauge cold rolled steel Finish: Appliance quality paint for corrosion resistance Water chambers SXHT: Top diaphragm is 100% butyl rubber, lower water chamber is anti microbial, copolymer polypropylene Diaphragm material HTX: 100% butyl rubber Connection: Welded steel Air valve: Brass valve with O ring seal Testing: High pressure, seam weld, helium, final pre charge
Flexcon HTX-30 Hydronic Expansion Tank 4.4 Gallons - 1/2" Connection
Features:
- Tank: 16-gauge cold rolled steel
- Finish: Appliance-quality paint for corrosion resistance
- Water chambers SXHT: Top diaphragm is 100% butyl rubber, lower water chamber is anti-microbial, copolymer polypropylene
- Diaphragm material HTX: 100% butyl rubber
- Connection: Welded steel
- Air valve: Brass valve with O-ring seal
- Testing: High pressure, seam weld, helium, final pre-charge check
- Warranty: 5 year
Cross Reference:
Amtrol: EX-30, Bell & Gossett: HFT-30, Calefactio: HGT-30, Watts: ETX-30
Product Literature:
Submittal Literature
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 3
Love BUT they STINK!!
Color: 26 - Forest Green, Size: King
I have the dark green sheets and would give them 5 stars if it weren’t for the fact that they smell absolutely horrible. I am so surprised after reading reviews that more people don’t mention it?! Maybe it’s more prominent in darker colors but I have washed these now 3 different times even with scent beads and still hate the smell. I wish I could accurately describe what it smells like— it’s just not good and for some reason, body heat only exacerbates it and makes the smell even worse and I wake up feeling like a smell like the sheets… which isn’t a good thing.
Besides that, I do really enjoy them. They feel great on your skin, haven’t been pilling near the foot area (which is what makes us go through so many sheets) and I love the color. I wish the smell didn’t kill them so badly for me ☹️
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
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Reviewed in the United States on May 9, 2026
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok.
One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable.
Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person.
You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
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Reviewed in the United States on April 12, 2026
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